<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 1.0.0.0 (2008-02-04 15:32).  
Contact www.ubmatrix.com
Copyright (c) 2002-2008 UBmatrix inc., All Rights Reserved
Produced on 2008-02-07 00:51:15
-->
<schema
  xmlns="http://www.w3.org/2001/XMLSchema"
  xmlns:xbrli="http://www.xbrl.org/2003/instance"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:t="http://xbrl.org/formula/conformance/example"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  targetNamespace="http://xbrl.org/formula/conformance/example"
  elementFormDefault="qualified"
  attributeFormDefault="unqualified">

  <import
    namespace="http://www.xbrl.org/2003/instance"
    schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />

  <element
    id="name"
    name="name"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="gross"
    name="gross"
    type="xbrli:monetaryItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="returns"
    name="returns"
    type="xbrli:monetaryItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="net"
    name="net"
    type="xbrli:monetaryItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="totalGross"
    name="totalGross"
    type="xbrli:monetaryItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />

  <element id="analysis" name="analysis" substitutionGroup="xbrli:tuple" nillable="true">
    <complexType>
      <complexContent>
        <restriction base="anyType">
          <sequence>
            <any maxOccurs="unbounded"/>
          </sequence>
          <attribute name="id" type="ID" />
        </restriction>
      </complexContent>
    </complexType>
  </element>

  <element id="customer" name="customer" substitutionGroup="xbrli:tuple" nillable="true">
    <complexType>
      <complexContent>
        <restriction base="anyType">
          <sequence>
            <any maxOccurs="unbounded"/>
          </sequence>
          <attribute name="id" type="ID" />
        </restriction>
      </complexContent>
    </complexType>
  </element>

</schema>